663929001344 has 96 divisors (see below), whose sum is σ = 1552235092200. Its totient is φ = 282022637568.

The previous prime is 663929001311. The next prime is 663929001367. The reversal of 663929001344 is 443100929366.

It is a super-4 number, since 4×663929001344⁴ (a number of 48 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 240347 + ... + 1177125.

Almost surely, 2^663929001344 is an apocalyptic number.

663929001344 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 663929001344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (776117546100).

663929001344 is an abundant number, since it is smaller than the sum of its proper divisors (888306090856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

663929001344 is a wasteful number, since it uses less digits than its factorization.

663929001344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936920 (or 936901 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 47.

The spelling of 663929001344 in words is "six hundred sixty-three billion, nine hundred twenty-nine million, one thousand, three hundred forty-four".